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The discovery of the expansion of our Universe was already noticed by astronomer Hubble a long time ago in 1929, forcing Einstein to revise his famous equations about space, time and masses.

早在1929年，宇宙正在膨胀这一现象就已被天文学家哈勃所注意到，这让爱因斯坦不得不修改了他那项关于空间、时间和质量的著名方程式。

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We have been saying since 2005 in our paper at physicsnext.org that, while different observes will measure different times in many cases, Einstein time-dilation equations are wrong, and we give the correct equations.

FORBES: New Evidence Casts Doubt On Faster-Than-Light Neutrinos

Working on a theory to combine quantum mechanics with Einstein's special relativity, he realised his equations predicted a corresponding anti-particle for every particle in existence - identical in every respect, but with an opposite electrical charge.

BBC: The problem with anti-matter

Thus, Einstein introduced his cosmological constant as an ad hoc factor in his equations, in order to conform with observational cosmology of the era which called for a static universe.

FORBES: Dark Energy Camera Could Reshape Einstein Cosmology